Number | Date | Country | Kind |
---|---|---|---|
3-137407 | Jun 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4703367 | Kosaka et al. | Oct 1987 | |
4853924 | Takahashi et al. | Aug 1989 | |
5150340 | Miura et al. | Sep 1992 | |
5172361 | Urushibata et al. | Dec 1992 | |
5187700 | Yoon | Feb 1993 |
Number | Date | Country |
---|---|---|
0368242A2 | May 1990 | EPX |
0400949A2 | Dec 1990 | EPX |
0436877A2 | Jul 1991 | EPX |
0005456 | Jan 1984 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 11, No. 37 (P-543), 4 Feb. 1987 & JP-A-61 206 962 (Canon), 13 Sep. 1986. |
Patent Abstracts of Japan, vol. 11, No. 256 (P-607), 20 Aug. 1987 & JP-A-62 062 473 (Asahi Optical), 19 Mar. 1987. |
Patent Abstracts of Japan, vol. 12, No. a 415 (P-781), 4 Nov. 1988 & JP-A-63 152 057 (Pioneer), 24 Jun. 1988. |